450A-1型數(shù)字袖珍一氧化碳測(cè)量?jī)x測(cè)量環(huán)境中的一氧化碳(CO)濃度,并在雙路數(shù)字液晶顯示屏上顯示測(cè)量結(jié)果。 除了測(cè)量外,還顯示了自上次復(fù)位以來(lái)所記錄的CO值。 一個(gè)可聽(tīng)到的一氧化碳警報(bào)器會(huì)發(fā)出二氧化碳濃度超過(guò)25ppm的警告。 在光線不好的環(huán)境下觀看,內(nèi)置的背光使顯示器更明亮。 型號(hào)450A包括帶扣、腕帶、電池。
Range:0 to 999 ppm.
Accuracy (at 20 ±5°C, 50 ±20% RH):±20% @ 0 to 100 ppm; ±15% @ 100 to 500 ppm.
Resolution:1 ppm.
Display:Dual digital LCD display.
Response Time:Less than 60 seconds.
Sensor:Electrochemical carbon monoxide sensor.
Temperature Limits:-10 to 60°C (14 to 140°F).
Humidity Limits (Non-Condensing):5 to 99% RH.
Power Requirements:(3) 1.5 V AAA alkaline batteries, included, user replaceable.
Battery Life:250 hours with backlight off; 35 hours with backlight on.
Weight:4.23 oz (120 g).
Alarms:Audible, preset at 25 ppm.
Agency Approval:CE.
Model | Description |
---|---|
450A-1 | Digital pocket size carbon monoxide meter. |